域名(Domain Name):
example.com
。邮箱(Email Address):
user@example.com
。域名的优势:
邮箱的优势:
域名的类型:
example.com
。blog
。邮箱的类型:
域名的应用场景:
邮箱的应用场景:
域名问题:
邮箱问题:
域名解析示例(Python):
import dns.resolver
def resolve_domain(domain):
try:
answers = dns.resolver.resolve(domain, 'A')
for rdata in answers:
print(f'{domain} resolves to {rdata}')
except dns.resolver.NXDOMAIN:
print(f'{domain} does not exist.')
except dns.resolver.NoAnswer:
print(f'{domain} has no A records.')
except dns.resolver.Timeout:
print(f'Query timed out.')
resolve_domain('example.com')
邮箱发送示例(Python):
import smtplib
from email.mime.text import MIMEText
def send_email(sender, receiver, subject, message):
msg = MIMEText(message)
msg['Subject'] = subject
msg['From'] = sender
msg['To'] = receiver
try:
smtp_server = smtplib.SMTP('smtp.example.com', 587)
smtp_server.starttls()
smtp_server.login(sender, 'password')
smtp_server.sendmail(sender, receiver, msg.as_string())
smtp_server.quit()
print('Email sent successfully.')
except Exception as e:
print(f'Failed to send email: {e}')
send_email('sender@example.com', 'receiver@example.com', 'Test Email', 'This is a test email.')
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